1) negative-and zero-sequence currents
负序与零序电流
2) zero sequence current
零序电流
1.
The paper Presents the principle of selective leakage protection based on zero sequence current direction.
文中阐述了基于零序电流方向选择性漏电保护的工作原理,介绍了以单片机80C196KB为核心,通过相敏整流的方法来判断零序电流方向的实施方案,具有抗干扰性能好,实施电路简单的优点。
2.
This paper analyzes the basic principle of Sel587 differential protection device and elaborates the influence of zero sequence current .
分析SEL587差动保护装置的基本原理,阐述零序电流的影响。
3.
In order to reduce influences of varieties of operation conditions of power systems and differences of grounded fault type on the protecting range of the instantaneous zero sequence current protections of transmission lines,a feasible method for realizing the adaptive instantaneous zero sequence current protections was put forward.
为了尽可能减小线路零序电流速断保护的保护范围受系统运行方式变化等因素的影响,提出了一种自适应零序电流速断保护的实现方法。
3) zero-sequence current
零序电流
1.
Comparative analysis on zero-sequence current of Y,y_(no) and D,y_(n11) transformers;
Y,y_(n0)型与D,y_(n11)型配电变压器零序电流比较分析
2.
Analysis of transient process of zero-sequence current during single-phase reclosure;
单相重合闸过程中的零序电流暂态过程分析
3.
Polarity check of zero-sequence current and voltage based on microcomputer protection;
基于微机保护的零序电压与零序电流的极性判定
4) zero order current
零序电流
1.
Starting with the traits of zero order impedance and the relationship between zero order current and zero order impedance,analyzes the main differences of electric traits of power cables and aerial lines and the disadvantages of applying power cables into the traditional grounded protection.
从正、负、零序阻抗特性以及零序阻抗与零序电流的关系入手,分析了架空线路与电力电缆电气特性的主要区别及传统接地保护应用于电力电缆线路所带来的弊端。
2.
On the basis of analyzing the law of variation of the zero order current, the zero order voltage and the zero order power in the isolated neutral system, a synthetic criteria principle of selecting the grounded fault line according to three criterias at the same time was put forward.
在对中性点不接地系统单相接地故障情况下零序电流、零序电压以及零序功率的变化规律做了认真分析的基础上,提出了采用3个判据同时判断的故障选线三合一综合判据原理,这个综合判据可以大大提高接地选线的准确率,具有一定的推广利用价值。
5) negative sequence current
负序电流
1.
Design and application of generator negative sequence current monitoring instrument;
发电机负序电流监测仪的设计与实现
2.
Much more attention is paid to the analysis of the method how to define the characteristic curves of phase sensitive symmetrical short circuit protection, the design of negative sequence current filter and the definition of the mathematical model of overload.
重点介绍了对称短路相敏保护特性曲线的确定方法 ,设计了负序电流滤波器 ,建立了过负荷保护的数学模型 。
3.
Aiming to characteristic of 3-phase to 2-phase power supply based on balance transformer, a new current balance compensation method utilizing inverter is proposed, which is mainly used to compensate negative sequence current.
从而使平衡变压器两相侧的输出电流对称,消除平衡变压器三相侧产生负序电流的条件,达到三相电流对称的目的。
6) negative current
负序电流
1.
Analysis of negative current in switching tests for load tap on-load tap-changers of transformers;
变压器有载分接开关切换试验中负序电流分析
2.
Analysis of the operation of the generator negative current protection impacted on by the electric railway loading
电气化铁路负序电流对发电机负序过流保护的影响
3.
According to the frequency excursion in power systems, this paper proposes a detecting method of harmonic negative current instructions.
针对电网出现的频率偏差 ,提出一种谐波负序电流指令的检测方法。
补充资料：圣教序
【圣教序】
（杂名）唐太宗制。述玄奘法师至西域求经译布中夏之事。后有高宗在青宫所作述圣记。末附玄奘所译心经。弘福寺沙门怀仁集王羲之草书以勒石。今按原文。记作于太宗贞观二十二年。至高宗咸亨四年始立碑。世谓之集王圣教序。别于褚圣教而言。
（杂名）唐太宗制。述玄奘法师至西域求经译布中夏之事。后有高宗在青宫所作述圣记。末附玄奘所译心经。弘福寺沙门怀仁集王羲之草书以勒石。今按原文。记作于太宗贞观二十二年。至高宗咸亨四年始立碑。世谓之集王圣教序。别于褚圣教而言。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条